Ingredients
3 tablespoons unsalted butter, melted, cooled, plus more for baking dish
1⅓ cups all-purpose flour
1⅓ cups cornmeal
2 tablespoons sugar
1 tablespoon baking powder
1 teaspoon kosher salt
¾ teaspoon baking soda
3 large eggs, beaten to blend
1 cup buttermilk
½ cup whole milk
Preparation
Preheat oven to 350°.
Butter an 8x8" baking dish.
Whisk flour, cornmeal, sugar, baking powder, salt, and baking soda in a large bowl.
Whisk eggs, buttermilk, and milk in a medium bowl. Whisk egg mixture into dry ingredients until just combined (batter will be slightly lumpy).
Mix in 3 Tbsp. butter.
Scrape batter into baking dish and bake cornbread until a tester inserted into the center comes out clean, 25-30 minutes.
DO AHEAD: Cornbread can be made 1 month ahead. Wrap tightly and freeze.